The H501w is a high performance, versatile, all aluminum headlamp with a warm white tint LED. The H501w can also be used as a general purpose angled flashlight without its headband. Three light levels spread far apart, easily selected with a pushbutton switch. Powered with one AA size battery, the H501w can produce a maximum of 80 Lumens of smooth flood light.

Main Features and Specifications

• Light Output: Constant ratio output level spread. Current regulated.
  • 80 Lumens (2.3 hours) on High
  • 15 Lumens (19 hours) on Medium
  • 2.7 Lumens (3.5 days) on Low
  Light output and runtimes are measured using a Sanyo 2700 mAh NiMH battery. Light output are out the front (OTF) values.
• LED: CREE XLamp XR-E Q3 5A
• Color Temperatures: 4000-4300 K
• Weight
  • 0.74 oz (21 gram)
  • 1.45 oz (41 gram) with an alkaline battery
  • 2.22 oz (63 gram) with a battery and headband
• Dimensions
  • Diameter 0.75 inch (18.5 mm)
  • Height     2.75 inch (71.2 mm)
• Battery: One AA size alkaline, 1.5v lithium primary, NiMH rechargeable, or 3.7v 14500 Li-ion rechargeable. Reverse polarity protection.
• Beam Type: 80 degree flood, with no hotspot
• Features
  • Electronic soft-touch switch, with a 200,000 cycle operating life
  • Smart user interface provides fast and easy access to all brightness levels
  • Recessed impact resistant LEXAN polycarbonate lens.
  • Precision 3D machined casing from premium grade Alcoa aluminum bar stock, light weight with superior structural strength.
  • Electrically conductive aluminum body provides inherent EMI/RFI shielding.
  • Durable natural hard anodized finish (Type III Class I)
  • Battery power can be locked out by slightly unscewing the tailcap to prevent the unwanted activations
  • Waterproof to IPX8

Operations

• From Off
  • Press and hold to cycle through Low, Med and High, release to set.
  • Click to High, click again quickly to cycle through Med, Low and High.
• When On
  • Click to Off.
  • Press and hold to cycle through Low, Med and High, release to set.
• When High
  • Double click to toggle between Strobe mode and High.

Accessories in the package

• One black silicone holder with headband
• One glow in the dark silicone holder
• Removable pocket clip
• Two O-rings